Backyard ADU / Granny FlatPlan HG-1069
578 Sq Ft (16x36) 2 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
578
Sq Ft
2
Beds
1
Baths
16x36
Shell
Shell Est: $27,500
Curated Collection • 21 Floor Plans
800 Sq Ft 2 Bedroom Backyard ADU & Casita Floor Plans
High-efficiency 2-bedroom backyard ADU and detached casita blueprints from 720 to 900 sq ft engineered for municipal setback compliance and rental income.
34 Plans
34 Plans
Backyard ADU / Granny FlatPlan HG-1083
640 Sq Ft (16x40) 2 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
640
Sq Ft
2
Beds
1
Baths
16x40
Shell
Shell Est: $30,500
Backyard ADU / Granny FlatPlan HG-1114
576 Sq Ft (18x32) 2 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
576
Sq Ft
2
Beds
1
Baths
18x32
Shell
Shell Est: $27,500
Backyard ADU / Granny FlatPlan HG-1126
648 Sq Ft (18x36) 2 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
648
Sq Ft
2
Beds
1
Baths
18x36
Shell
Shell Est: $30,500
Backyard ADU / Granny FlatPlan HG-1150
562 Sq Ft (20x28) 2 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
562
Sq Ft
2
Beds
1
Baths
20x28
Shell
Shell Est: $26,500
Backyard ADU / Granny FlatPlan HG-1162
602 Sq Ft (20x30) 2 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
602
Sq Ft
2
Beds
1
Baths
20x30
Shell
Shell Est: $28,000
Backyard ADU / Granny FlatPlan HG-1174
641 Sq Ft (20x32) 2 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
641
Sq Ft
2
Beds
1
Baths
20x32
Shell
Shell Est: $30,000
Backyard ADU / Granny FlatPlan HG-1186
722 Sq Ft (20x36) 2 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
722
Sq Ft
2
Beds
1
Baths
20x36
Shell
Shell Est: $34,000
Backyard ADU / Granny FlatPlan HG-1208
800 Sq Ft (20x40) 2 Bed 2 Bath Backyard ADU / Granny Flat Floor Plan
800
Sq Ft
2
Beds
2
Baths
20x40
Shell
Shell Est: $37,500
Backyard ADU / Granny FlatPlan HG-1220
616 Sq Ft (22x28) 2 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
616
Sq Ft
2
Beds
1
Baths
22x28
Shell
Shell Est: $28,500
Backyard ADU / Granny FlatPlan HG-1232
660 Sq Ft (22x30) 2 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
660
Sq Ft
2
Beds
1
Baths
22x30
Shell
Shell Est: $30,500
Backyard ADU / Granny FlatPlan HG-1242
704 Sq Ft (22x32) 2 Bed 1 Bath Backyard ADU / Granny Flat Floor Plan
704
Sq Ft
2
Beds
1
Baths
22x32
Shell
Shell Est: $33,000
800 Sq Ft 2-Bed Backyard ADU — Build Cost Guide & FAQs
Planning tips, cost estimates, and related floor plan collections
800 Sq Ft 2-Bed Backyard ADU — Build Cost Guide & FAQs
Planning tips, cost estimates, and related floor plan collections
Spatial Layout & Structural Bay Optimization
High-efficiency 2-bedroom backyard ADU and detached casita blueprints from 720 to 900 sq ft engineered for municipal setback compliance and rental income. Each of the 21 blueprints curated in this search silo has been solved on a true structural grid with zero dead-space corridors, consolidated wet-wall plumbing cores, and verified furniture/appliance clearance zones.
Comparing Shell Kits, Financing & Contractor Takeoffs
With an average turnkey build estimate of $166,548 across this collection, homeowners and builders frequently compare pre-engineered shell packages against local stick-frame lumber takeoffs. Select any blueprint above to customize regional labor multipliers, review concrete and stud quantities, and download the vector CAD drawing.
What makes these 800 sq ft 2 bedroom backyard adu & casita floor plans IRC code-compliant?
All 21 blueprints in the "800 Sq Ft 2-Bed Backyard ADU" collection are verified by our spatial solver for IRC R304 minimum room dimensions, R310 bedroom emergency egress windows, 36-inch clear entryways, and unobstructed doorway swing clearances—scoring 100/100 on our automated CAD geometric audit.
What is the average turnkey cost for 800 sq ft 2-bed backyard adu?
Across the 21 matching floor plans on this page, the average turnkey construction cost is $166,548. Every individual blueprint page includes an interactive regional cost estimator and full structural material takeoff so you can compare shell-only vs. turnkey pricing.
Can I download the scalable CAD vector files (.SVG) for free?
Yes. Click any floor plan card above to open its interactive CAD blueprint viewer, inspect exact room-by-room dimensions and builder material takeoffs, and download the scalable vector CAD file (.SVG) and printable spec sheet at no cost.